ESCA and TOF-SIMS Study on Oxidised and Reduced Polypyrrole-Poly(Vinylsulfonic Acid, Sodium Salt) Films Synthesized on Ti Electrodes

Figure 4

Secondary electron image of the surface (a) electrolyte (b) electrode sides of PPy-PVS oxidised film and (c) electrolyte (d) electrode sides of PPy-PVS reduced film.

(a)

(b)

(c)

(d)